... allowed 3. custom packaging Part name: Precision brass conductive rings in China Part Name: precision stampingWe can provide fabrication, deep drawing, ... iron, brass, phosphor copper -Progress: cutting, stamping, bending, plating, assembing.-Equipment: tonnage 5T-500T punching machine, bending presses, plate cutting machine ... )TM: wmchina (chat on line) Precision brass conductive rings in China